(cosx)^4 (sinx)^4 (sinxcosx)^2/(sinx)^6 (cosx)^6 2(sinxcosx)^2化简急,在线等........................
问题描述:
(cosx)^4 (sinx)^4 (sinxcosx)^2/(sinx)^6 (cosx)^6 2(sinxcosx)^2化简
急,在线等........................
答